The ICD-10 code range for Symptoms and signs involving speech and voice R47-R49 is medical classification list by the World Health Organization (WHO).
ICD-10 Code range (R47-R49), Symptoms and signs involving speech and voice contains ICD-10 codes for Dyslexia and other symbolic dysfunctions, not elsewhere classified, Dyslexia and alexia, Agnosia, Apraxia, Visual agnosia, Other symbolic dysfunctions, Unspecified symbolic dysfunctions